/Engine/Source/Runtime/JsonUtilities/Public/JsonObjectConverter.h
Converts from a json string containing an object to aUStructFalse if any properties matched but failed to deserialize
template<typename OutStructType> static bool JsonObjectStringToUStruct ( const [FString](API\Runtime\Core\Containers\FString) & JsonString, OutStructType * OutStruct, int64 CheckFlags, int64 SkipFlags, const bool bStrictMode )